EP3163914A3 - Sound level estimation - Google Patents

Sound level estimation Download PDF

Info

Publication number
EP3163914A3
EP3163914A3 EP16195509.1A EP16195509A EP3163914A3 EP 3163914 A3 EP3163914 A3 EP 3163914A3 EP 16195509 A EP16195509 A EP 16195509A EP 3163914 A3 EP3163914 A3 EP 3163914A3
Authority
EP
European Patent Office
Prior art keywords
sound
real
disclosed
time
level
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16195509.1A
Other languages
German (de)
French (fr)
Other versions
EP3163914B1 (en
EP3163914A2 (en
Inventor
Esben Skovenborg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Music Tribe Innovation Dk AS
Original Assignee
Music Group IP Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Music Group IP Ltd filed Critical Music Group IP Ltd
Publication of EP3163914A2 publication Critical patent/EP3163914A2/en
Publication of EP3163914A3 publication Critical patent/EP3163914A3/en
Application granted granted Critical
Publication of EP3163914B1 publication Critical patent/EP3163914B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H04R29/002—Loudspeaker arrays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H7/00—Measuring reverberation time ; room acoustic measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/007—Monitoring arrangements; Testing arrangements for public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/008—Visual indication of individual signal levels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

Abstract

Disclosed is a method of determining in real-time an estimate of a Sound Pressure Level or Sound Exposure corresponding to sound produced in an acoustic environment by multiple loudspeakers of a sound system in response to an input signal to the sound system. The method comprises determining in real-time the estimate of the Sound Pressure Level or Sound Exposure on the basis of the input signal. The sound system is a level-calibrated sound system. Also disclosed is a real-time sound level estimator. Also disclosed are a method and a real-time sound level estimator where the estimation is based on an approximation of system properties based on microphone measurements, or established for multiple listening positions, respectively. Also disclosed are methods of calibrating and monitoring a sound system and calibration and monitoring devices therefore.
EP16195509.1A 2015-10-28 2016-10-25 Sound level estimation Active EP3163914B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/924,968 US10708701B2 (en) 2015-10-28 2015-10-28 Sound level estimation

Publications (3)

Publication Number Publication Date
EP3163914A2 EP3163914A2 (en) 2017-05-03
EP3163914A3 true EP3163914A3 (en) 2017-07-12
EP3163914B1 EP3163914B1 (en) 2023-05-03

Family

ID=57206079

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16195509.1A Active EP3163914B1 (en) 2015-10-28 2016-10-25 Sound level estimation

Country Status (3)

Country Link
US (1) US10708701B2 (en)
EP (1) EP3163914B1 (en)
CN (1) CN106658327B (en)

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CN108174031B (en) * 2017-12-26 2020-12-01 上海展扬通信技术有限公司 Volume adjusting method, terminal equipment and computer readable storage medium
EP3811041A4 (en) * 2018-05-09 2022-01-26 Ecole de Technologie Supérieure Method and system for measuring in-ear effective sound exposure under an earplug or without an earplug and for determining a wearer induced disturbance
US11417351B2 (en) * 2018-06-26 2022-08-16 Google Llc Multi-channel echo cancellation with scenario memory
EP3841668A4 (en) * 2018-08-24 2022-03-23 Dirac Research AB Controlling a limiter adapted for selectively suppressing an audio signal
CN108896665A (en) * 2018-08-27 2018-11-27 国网山东省电力公司电力科学研究院 The applicability appraisal procedure of workplace noiseproof earplug
US11503422B2 (en) * 2019-01-22 2022-11-15 Harman International Industries, Incorporated Mapping virtual sound sources to physical speakers in extended reality applications
WO2020237576A1 (en) * 2019-05-30 2020-12-03 Harman International Industries, Incorporated Method and system for room calibration in a speaker system
CN110392299B (en) * 2019-06-17 2022-03-25 北京达佳互联信息技术有限公司 Volume processing method and device, electronic equipment and storage medium
US10999048B1 (en) * 2019-12-31 2021-05-04 Hughes Network Systems, Llc Superior timing synchronization using high-order tracking loops
US11567894B1 (en) * 2020-03-17 2023-01-31 Amazon Technologies, Inc. Concurrent transmission of audio and ultrasound
CN112019971B (en) * 2020-08-21 2022-03-22 安声(重庆)电子科技有限公司 Sound field construction method and device, electronic equipment and computer readable storage medium
CN112291692B (en) * 2020-10-13 2022-01-28 皓骏科技(北京)有限公司 Detection device
US20240007810A1 (en) * 2020-10-30 2024-01-04 Google Llc Automatic calibration of microphone array for telepresence conferencing
US11470433B2 (en) * 2020-12-21 2022-10-11 Johnson Controls Fire Protection LP Characterization of reverberation of audible spaces
WO2022153226A1 (en) * 2021-01-14 2022-07-21 Onanoff Limited Company System and method for managing a headphones users sound exposure
US20220225048A1 (en) * 2021-01-14 2022-07-14 Onanoff Limited Company (Ltd.) System and method for managing a headphones users sound exposure
CN113607269B (en) * 2021-02-02 2023-12-15 深圳市冠旭电子股份有限公司 Sound dose determination method, device, electronic equipment and storage medium
BE1029370B1 (en) * 2021-05-04 2022-12-05 Tvv Sound Project Method and device for monitoring a public address installation
CN113852903B (en) * 2021-10-21 2022-05-31 杭州爱华智能科技有限公司 Sound field characteristic conversion method of capacitive test microphone and capacitive test microphone system

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Also Published As

Publication number Publication date
US20170127206A1 (en) 2017-05-04
EP3163914B1 (en) 2023-05-03
EP3163914A2 (en) 2017-05-03
CN106658327B (en) 2021-02-09
US10708701B2 (en) 2020-07-07
CN106658327A (en) 2017-05-10

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